The latest articles on Forem by jun (@fj3703). https://forem.com/fj3703 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3812376%2F4c62ef62-c58a-4a53-bc48-10c01a59bbc5.png https://forem.com/fj3703 en jun Mon, 09 Mar 2026 04:20:33 +0000 https://forem.com/fj3703/i-built-a-free-regex-tester-regexboxcom-56o9 https://forem.com/fj3703/i-built-a-free-regex-tester-regexboxcom-56o9 <p>Hey DEV community! 👋</p> <p>I just launched <strong>regexbox.com</strong> - a free online regex tester and builder.</p> <h2> What is regexbox.com? </h2> <p>It's a simple tool that helps you test and build regular expressions in real-time.</p> <h2> Features: </h2> <ul> <li>⚡ Real-time regex matching</li> <li>🎨 Syntax highlighting</li> <li>📝 Pattern explanation</li> <li>💾 Save and share patterns</li> <li>🆓 Completely free</li> <li>📱 Mobile-friendly</li> </ul> <h2> Why I built this? </h2> <p>Regex can be tricky. I wanted a simple, clean tool to test patterns without the clutter. No signup, no ads, just regex testing.</p> <h2> Check it out: </h2> <p>🔗 <a href="https://regexbox.com" rel="noopener noreferrer">https://regexbox.com</a></p> <p>Let me know what you think!</p> <h1> regex #webdev #tools #developer </h1> regex jun Sun, 08 Mar 2026 03:36:32 +0000 https://forem.com/fj3703/i-built-a-stock-market-hours-tracker-markethoursio-jb6 https://forem.com/fj3703/i-built-a-stock-market-hours-tracker-markethoursio-jb6 <p>Hey DEV community! 👋</p> <p>I just launched <strong>markethours.io</strong> - a free tool to track global stock market hours.</p> <h2> What is markethours.io? </h2> <p>It's a simple website that shows you when stock markets are open around the world.</p> <h2> Features: </h2> <ul> <li>🌍 Track major global markets (NYSE, NASDAQ, LSE, TSE, etc.)</li> <li>⏰ Real-time market status (open/closed)</li> <li>📊 Market holidays calendar</li> <li>📱 Mobile-friendly design</li> <li>🆓 Completely free</li> </ul> <h2> Why I built this? </h2> <p>As a developer interested in trading, I wanted a simple way to check if markets were open. Existing tools were either too complex or required signup.</p> <h2> Check it out: </h2> <p>🔗 <a href="https://markethours.io" rel="noopener noreferrer">https://markethours.io</a></p> <p>Let me know what you think!</p> <h1> finance #trading #tools #webdev </h1> finance jun Sun, 08 Mar 2026 03:35:03 +0000 https://forem.com/fj3703/i-built-a-free-favicon-generator-faviconpub-4do1 https://forem.com/fj3703/i-built-a-free-favicon-generator-faviconpub-4do1 <p>Hey DEV community! 👋</p> <p>I just launched <strong>favicon.pub</strong> - a completely free online favicon generator.</p> <h2> What is favicon.pub? </h2> <p>It's a simple tool that helps you create favicons for your website in seconds. No signup required, completely free.</p> <h2> Features: </h2> <ul> <li>✅ Generate favicons from images</li> <li>✅ Multiple sizes (16x16, 32x32, 48x48, etc.)</li> <li>✅ ICO and PNG output</li> <li>✅ No watermark</li> <li>✅ No signup required</li> <li>✅ 100% free</li> </ul> <h2> Why I built this? </h2> <p>I was tired of using favicon generators that required signup or added watermarks. So I built my own - clean, simple, and free.</p> <h2> Check it out: </h2> <p>🔗 <a href="https://favicon.pub" rel="noopener noreferrer">https://favicon.pub</a></p> <p>Let me know what you think! Feedback is welcome.</p> <h1> webdev #tools #favicon #free </h1> webdev